Retirement planning is a complex and crucial aspect of financial management, especially for couples. The article explores the varying retirement needs across different states in the United States, highlighting the significant impact of location on retirement savings. It emphasizes the importance of considering both individual circumstances and the state of residence when planning for retirement. The analysis reveals that the cost of housing is a major factor in retirement expenses, accounting for approximately 27% of a couple's budget. Interestingly, the article also notes that the person you retire with can significantly influence your financial needs, with dual-earner couples requiring less savings compared to single-earner couples relying on spousal benefits. The four most expensive states for retired couples are New Jersey, Hawaii, California, and the District of Columbia, while the most affordable states are found in the Plains and Appalachia regions. The article provides a detailed methodology for calculating retirement costs in every state, considering factors such as housing costs, non-housing spending, and Social Security benefits. However, it also acknowledges the limitations of the analysis, excluding state income taxes, long-term care costs, and potential property tax exemptions, which can vary widely by location and personal situation. Overall, the article underscores the importance of personalized retirement planning, taking into account individual circumstances and the unique financial demands of each state.